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Derive legal geometries directly from Map class names.
[plomrogue2-experiments] / server_ / game.py
index e2a1187c9455ee0dac896605101ec5ec9daa8fb4..3b3eb0844cc7d527c95eed54282db4799c0ecff7 100644 (file)
@@ -1,37 +1,21 @@
 import sys
 sys.path.append('../')
 import game_common
+import server_.map_
 
 
 class GameError(Exception):
     pass
 
 
-def move_pos(direction, pos_yx):
-    if direction == 'UP':
-        pos_yx[0] -= 1
-    elif direction == 'DOWN':
-        pos_yx[0] += 1
-    elif direction == 'RIGHT':
-        pos_yx[1] += 1
-    elif direction == 'LEFT':
-        pos_yx[1] -= 1
-
-
-class Map(game_common.Map):
-
-    def get_line(self, y):
-        width = self.size[1]
-        return self.terrain[y * width:(y + 1) * width]
-
-
 class World(game_common.World):
 
-    def __init__(self):
+    def __init__(self, game):
         super().__init__()
-        self.Thing = Thing  # use local Thing class instead of game_common's
-        self.map_ = Map()  # use extended child class
+        self.game = game
         self.player_id = 0
+        # use extended local classes
+        self.Thing = Thing
 
     def proceed_to_next_player_turn(self):
         """Run game world turns until player can decide their next step.
@@ -76,15 +60,8 @@ class Task:
                 direction = self.args[0]
             else:
                 direction = self.kwargs['direction']
-            test_pos = self.thing.position[:]
-            move_pos(direction, test_pos)
-            if test_pos[0] < 0 or test_pos[1] < 0 or \
-               test_pos[0] >= self.thing.world.map_.size[0] or \
-               test_pos[1] >= self.thing.world.map_.size[1]:
-                raise GameError('would move outside map bounds')
-            pos_i = test_pos[0] * self.thing.world.map_.size[1] + test_pos[1]
-            map_tile = self.thing.world.map_.terrain[pos_i]
-            if map_tile != '.':
+            test_pos = self.thing.world.map_.move(self.thing.position, direction)
+            if self.thing.world.map_[test_pos] != '.':
                 raise GameError('would move into illegal terrain')
             for t in self.thing.world.things:
                 if t.position == test_pos:
@@ -103,7 +80,7 @@ class Thing(game_common.Thing):
         return 'success'
 
     def task_move(self, direction):
-        move_pos(direction, self.position)
+        self.position = self.world.map_.move(self.position, direction)
         return 'success'
 
     def decide_task(self):
@@ -150,37 +127,26 @@ class Thing(game_common.Thing):
     def get_stencil(self):
         if self._stencil is not None:
             return self._stencil
-        size = self.world.map_.size
-        m = Map(self.world.map_.size, '?'*size[0]*size[1])
-        y_me = self.position[0]
-        x_me = self.position[1]
-        for y in range(m.size[0]):
-            if y in (y_me - 1, y_me, y_me + 1):
-                for x in range(m.size[1]):
-                    if x in (x_me - 1, x_me, x_me + 1):
-                        pos = y * size[1] + x
-                        m.terrain = m.terrain[:pos] + '.' + m.terrain[pos+1:]
+        m = self.world.map_.new_from_shape('?')
+        for pos in m:
+            if pos == self.position or m.are_neighbors(pos, self.position):
+                m[pos] = '.'
         self._stencil = m
         return self._stencil
 
     def get_visible_map(self):
         stencil = self.get_stencil()
-        size = self.world.map_.size
-        size_i = self.world.map_.size[0] * self.world.map_.size[1]
-        m = Map(size, ' '*size_i)
-        for i in range(size_i):
-            if stencil.terrain[i] == '.':
-                c = self.world.map_.terrain[i]
-                m.terrain = m.terrain[:i] + c + m.terrain[i+1:]
+        m = self.world.map_.new_from_shape(' ')
+        for pos in m:
+            if stencil[pos] == '.':
+                m[pos] = self.world.map_[pos]
         return m
 
     def get_visible_things(self):
         stencil = self.get_stencil()
         visible_things = []
         for thing in self.world.things:
-            width = self.world.map_.size[1]
-            pos_i = thing.position[0] * width + thing.position[1]
-            if stencil.terrain[pos_i] == '.':
+            if stencil[thing.position] == '.':
                 visible_things += [thing]
         return visible_things
 
@@ -197,7 +163,9 @@ class Game(game_common.CommonCommandsMixin):
 
     def __init__(self, game_file_name):
         import server_.io
-        self.world = World()
+        #self.get_map_class = server_.map_.get_map_class
+        self.map_manager = server_.map_.map_manager
+        self.world = World(self)
         self.io = server_.io.GameIO(game_file_name, self)
         # self.pool and self.pool_result are currently only needed by the FIB
         # command and the demo of a parallelized game loop in cmd_inc_p.
@@ -213,11 +181,11 @@ class Game(game_common.CommonCommandsMixin):
             return 'Y:' + str(tuple_[0]) + ',X:' + str(tuple_[1])
 
         self.io.send('NEW_TURN ' + str(self.world.turn))
-        self.io.send('MAP_SIZE ' + stringify_yx(self.world.map_.size))
+        grid = self.world.map_.__class__.__name__[3:]
+        self.io.send('MAP ' + grid +' ' + stringify_yx(self.world.map_.size))
         visible_map = self.world.get_player().get_visible_map()
-        for y in range(self.world.map_.size[0]):
-            self.io.send('VISIBLE_MAP_LINE %5s %s' %
-                         (y, self.io.quote(visible_map.get_line(y))))
+        for y, line in visible_map.lines():
+            self.io.send('VISIBLE_MAP_LINE %5s %s' % (y, self.io.quote(line)))
         visible_things = self.world.get_player().get_visible_things()
         for thing in visible_things:
             self.io.send('THING_TYPE %s %s' % (thing.id_, thing.type_))
@@ -274,9 +242,10 @@ class Game(game_common.CommonCommandsMixin):
     def cmd_MOVE(self, direction):
         """Set player task to 'move' with direction arg, finish player turn."""
         import parser
-        if direction not in {'UP', 'DOWN', 'RIGHT', 'LEFT'}:
-            raise parser.ArgError('Move argument must be one of: '
-                                  'UP, DOWN, RIGHT, LEFT')
+        legal_directions = self.world.map_.get_directions()
+        if direction not in legal_directions:
+            raise parser.ArgError('Move argument must be one of: ' +
+                                  ', '.join(legal_directions))
         self.world.get_player().set_task('move', direction=direction)
         self.proceed()
     cmd_MOVE.argtypes = 'string'